No, it'd need to be bigger than a ping-pong ball. You've got to test out a few heating and isolation apparati (ooh, ooh, that's a good word!), along with the fact that you've got to practically keep it inside an airlock in case the isolation system fails.

Although, like campbelp2002 said, once Bigelow's station is up and running, there's a chance that one or more of the fast-food giants might support it.....